package com.zzyl.nursing.service.impl;

import java.time.LocalDateTime;
import java.util.List;

import com.alibaba.fastjson2.JSON;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.toolkit.ObjectUtils;
import com.zzyl.common.exception.base.BaseException;
import com.zzyl.common.utils.DateUtils;
import com.zzyl.nursing.domain.*;
import com.zzyl.nursing.dto.CheckInApplyDto;
import com.zzyl.nursing.dto.CheckInElderDto;
import com.zzyl.nursing.mapper.*;
import com.zzyl.nursing.util.CodeGenerator;
import com.zzyl.nursing.util.IDCardUtils;
import com.zzyl.nursing.vo.CheckInConfigVo;
import com.zzyl.nursing.vo.CheckInDetailVo;
import com.zzyl.nursing.vo.CheckInElderVo;
import com.zzyl.nursing.vo.ElderFamilyVo;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.zzyl.nursing.service.ICheckInService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import org.springframework.transaction.annotation.Transactional;
import cn.hutool.core.bean.BeanUtil;

import java.util.Arrays;

/**
 * 入住Service业务层处理
 * 
 * @author ruoyi
 * @date 2025-09-10
 */
@Service
public class CheckInServiceImpl extends ServiceImpl<CheckInMapper, CheckIn> implements ICheckInService
{
    @Autowired
    private CheckInMapper checkInMapper;
    @Autowired
    private ElderMapper elderMapper;
    @Autowired
    private BedMapper bedMapper;
    @Autowired
    private CheckInConfigMapper checkInConfigMapper;
    @Autowired
    private ContractMapper contractMapper;

    /**
     * 查询入住
     * 
     * @param id 入住主键
     * @return 入住
     */
    @Override
    public CheckIn selectCheckInById(Long id)
    {
                return getById(id);
    }

    /**
     * 查询入住列表
     * 
     * @param checkIn 入住
     * @return 入住
     */
    @Override
    public List<CheckIn> selectCheckInList(CheckIn checkIn)
    {
        return checkInMapper.selectCheckInList(checkIn);
    }

    /**
     * 新增入住
     * 
     * @param checkIn 入住
     * @return 结果
     */
    @Override
    public int insertCheckIn(CheckIn checkIn)
    {
        checkIn.setCreateTime(DateUtils.getNowDate());
        return checkInMapper.insertCheckIn(checkIn);
    }

    /**
     * 修改入住
     * 
     * @param checkIn 入住
     * @return 结果
     */
    @Override
    public int updateCheckIn(CheckIn checkIn)
    {
                return updateById(checkIn) ? 1 : 0;
    }

    /**
     * 批量删除入住
     * 
     * @param ids 需要删除的入住主键
     * @return 结果
     */
    @Override
    public int deleteCheckInByIds(Long[] ids)
    {
                return removeByIds(Arrays.asList(ids)) ? 1 : 0;
    }

    /**
     * 删除入住信息
     * 
     * @param id 入住主键
     * @return 结果
     */
    @Override
    public int deleteCheckInById(Long id)
    {
                return removeById(id) ? 1 : 0;
    }

    /**
     * 入住申请
     * @param checkInApplyDto
     */
    @Transactional
    @Override
    public void apply(CheckInApplyDto checkInApplyDto) {
        //判断老人是否已经入住
        //查询老人通过身份证号查询
        LambdaQueryWrapper<Elder> elderQueryWrapper = new LambdaQueryWrapper<Elder>();
        elderQueryWrapper.eq(Elder::getIdCardNo,checkInApplyDto.getCheckInElderDto().getIdCardNo());
        elderQueryWrapper.eq(Elder::getStatus,1);
        Elder elder = elderMapper.selectOne(elderQueryWrapper);
        if (ObjectUtils.isNotEmpty(elder)){
            throw new BaseException("该老人已入住");
        }

        //更新床位的状态 已入住
        Bed bed = bedMapper.selectById(checkInApplyDto.getCheckInConfigDto().getBedId());
        bed.setBedStatus(1);
        bedMapper.updateById(bed);

        //保存或更新老人数据
        elder = insertOrUpdate(bed,checkInApplyDto.getCheckInElderDto());

        //生成合同编号
        String contractNo = "HT" + CodeGenerator.generateContractNumber();

        //新增签约办理
        insertContract(contractNo,elder,checkInApplyDto);

        //新增入住信息
        CheckIn checkIn = insertCheckIn(elder,checkInApplyDto);

        //新增入住配置信息
        insertCheckInConfig(checkIn.getId(),checkInApplyDto);
    }

    /**
     * 入住详情
     * @param id
     * @return
     */
    @Override
    public CheckInDetailVo detail(Long id) {
        CheckInDetailVo vo = new CheckInDetailVo();

        //通过id找到入住配置   拿到老人id
        CheckIn checkIn = checkInMapper.selectCheckInById(id);
        if (ObjectUtils.isEmpty(checkIn)) {
            return vo; // 或者抛出异常
        }

        Elder elder = elderMapper.selectById(checkIn.getElderId());
        if(ObjectUtils.isNotEmpty(elder)){
            CheckInElderVo checkInElderVo = new CheckInElderVo();
            BeanUtils.copyProperties(elder,checkInElderVo);
            //补全年龄属性,通过身份证号来计算老人的年龄，工具类可以使用AI协助创建
            if (elder.getIdCardNo() != null) {
                checkInElderVo.setAge(IDCardUtils.getAgeByIdCard(elder.getIdCardNo()));
            }
            vo.setCheckInElderVo(checkInElderVo);
        }

        //入住配置
        LambdaQueryWrapper<CheckInConfig> checkInConfigWrapper = new LambdaQueryWrapper<>();
        checkInConfigWrapper.eq(CheckInConfig::getCheckInId,checkIn.getId());
        CheckInConfig checkInConfig = checkInConfigMapper.selectOne(checkInConfigWrapper);

        if (ObjectUtils.isNotEmpty(checkInConfig)) {
            //属性拷贝，BeanUtil.toBean：拷贝数据并创建对象（糊涂工具提供）
            CheckInConfigVo checkInConfigVo = BeanUtil.toBean(checkInConfig, CheckInConfigVo.class);

            //补全其他属性
            checkInConfigVo.setBedNumber(checkIn.getBedNumber());
            checkInConfigVo.setStartDate(checkIn.getStartDate());
            checkInConfigVo.setEndDate(checkIn.getEndDate());

            vo.setCheckInConfigVo(checkInConfigVo);
        }

        //合同
        if(ObjectUtils.isNotEmpty(elder)) {
            LambdaQueryWrapper<Contract> contractWrapper = new LambdaQueryWrapper<>();
            contractWrapper.eq(Contract::getElderId, elder.getId());
            Contract contract = contractMapper.selectOne(contractWrapper);
            vo.setContract(contract);
        }

        //家属列表
        String otherApplyInfo = checkIn.getRemark();
        if (otherApplyInfo != null && !otherApplyInfo.isEmpty()) {
            List<ElderFamilyVo> elderFamilyVos = JSON.parseArray(otherApplyInfo, ElderFamilyVo.class);
            vo.setElderFamilyVoList(elderFamilyVos);
        }

        return vo;
    }


    /**
     * 新增入住配置
     * @param checkInApplyDto
     * @return
     */
    public void insertCheckInConfig(Long checkInId, CheckInApplyDto checkInApplyDto){
        CheckInConfig checkInConfig = new CheckInConfig();
        BeanUtils.copyProperties(checkInApplyDto.getCheckInConfigDto(),checkInConfig);
        checkInConfig.setCheckInId(checkInId);
        checkInConfigMapper.insert(checkInConfig);
    }

    /**
     * 新增入住信息
     * @param elder
     * @param checkInApplyDto
     */
    private CheckIn insertCheckIn(Elder elder, CheckInApplyDto checkInApplyDto){
        CheckIn checkIn = new CheckIn();
        checkIn.setElderId(elder.getId());
        checkIn.setElderName(elder.getName());
        checkIn.setIdCardNo(elder.getIdCardNo());
        checkIn.setNursingLevelName(checkInApplyDto.getCheckInConfigDto().getNursingLevelName());
        checkIn.setStartDate(checkInApplyDto.getCheckInConfigDto().getStartDate());
        checkIn.setEndDate(checkInApplyDto.getCheckInConfigDto().getEndDate());
        checkIn.setBedNumber(elder.getBedNumber());
        checkIn.setRemark(JSON.toJSONString(checkInApplyDto.getElderFamilyDtoList()));
        checkIn.setStatus(0);
        checkInMapper.insert(checkIn);
        return checkIn;
    }

    /**
     * 新增合同
     * @param contractNo
     * @param elder
     * @param checkInApplyDto
     */
    private void insertContract(String contractNo, Elder elder, CheckInApplyDto checkInApplyDto){
        Contract contract = new Contract();
        //属性拷贝
        BeanUtils.copyProperties(checkInApplyDto.getCheckInContractDto(),contract);
        contract.setContractNumber(contractNo);
        contract.setElderId(elder.getId());
        contract.setElderName(elder.getName());
        //状态、开始时间、结束时间
        //签约时间小于等于当前时间，合同生效中
        LocalDateTime checkInStartTime = checkInApplyDto.getCheckInConfigDto().getStartDate();
        LocalDateTime checkInEndTime = checkInApplyDto.getCheckInConfigDto().getEndDate();
        Integer status = checkInStartTime.isAfter(LocalDateTime.now()) ? 1 : 0;
        contract.setStatus(status);
        contract.setStartDate(checkInStartTime);
        contract.setEndDate(checkInEndTime);
        contractMapper.insert(contract);
    }

    /**
     * 新增或更新老人
     * @param bed
     * @param checkInElderDto
     */
    private Elder insertOrUpdate(Bed bed, CheckInElderDto checkInElderDto){
        //准备老人数据
        Elder elder = new Elder();
        //属性拷贝
        BeanUtils.copyProperties(checkInElderDto,elder);
        elder.setBedNumber(bed.getBedNumber());
        elder.setBedId(bed.getId());
        elder.setStatus(1);
        //查询老人信息，身份证号和状态0
        LambdaQueryWrapper<Elder> lambdaQueryWrapper = new LambdaQueryWrapper<Elder>();
        lambdaQueryWrapper
                .eq(Elder::getIdCardNo,checkInElderDto.getIdCardNo())
                .eq(Elder::getStatus,0);
        Elder elderDb = elderMapper.selectOne(lambdaQueryWrapper);
        if (ObjectUtils.isEmpty(elderDb)){
            //修改
            elderMapper.updateById(elder);
        } else {
            //新增
            elderMapper.insert(elder);
        }
        return elder;
    }
}
